Amazon.com: Yamaha YFM550 Grizzly 550CC ATV Replacement Battery (2009-2014) - This is an AJC Brand Replacement : Automotive
MIGHTY MAX BATTERY YTX20L-BS Battery for Yamaha YFM660F Grizzly 660 4x4 2002-2008 MAX3689724 - The Home Depot
Mighty Max Battery Battery for Yamaha 600 YFM600FW, Grizzly 1998-2001 Rechargeable Sealed Gel 12180 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
EPD Grizzly 500 UPS Set of 4 Replacement Batteries